Blog · Ownership
Look-through ownership, explained with one chart
Direct ownership tells you who's on the operating agreement. Look-through ownership tells you who really owns the business. How to calculate it, and where the number matters.
Ask a client who owns Lane Rentals LLC and you'll usually get the names on the operating agreement. That answers the legal question. It doesn't answer the one a lender, a buyer or a tax return often asks: which people end up owning it, and how much? That second number is look-through (or effective) ownership.
The calculation
Follow every path from the person down to the entity, multiply the percentages along each path, then add the paths together.
Sarah's two paths to Lane Rentals:
| Path | Calculation | Share |
|---|---|---|
| Direct | 10% | 10% |
| Through Lane Holdings | 60% × 50% | 30% |
| Look-through total | 40% |
The same method works for any depth. Five layers down, you still multiply along the path; you just have more paths to add. A trust in the chain counts like any other owner. Whether you stop at the trust or look through to its grantor or beneficiaries depends on why you're asking.
Where the number matters
Bank and lender requests. Under FinCEN's customer due diligence rule, banks still collect information on every individual who owns 25% or more of a business customer, directly or indirectly. A client who owns 15% directly and 15% through a holding company is a 30% owner to the bank. (Federal BOI reports to FinCEN are a separate matter and no longer apply to US companies.)
Buy-sell agreements and valuations. When one owner leaves, the question is what their effective interest is in each operating company, not just in the top-level entity.
Guarantees and personal liability. SBA loans require a personal guarantee from every owner of 20% or more, and many conventional lenders use a similar line. Indirect ownership counts.
Planning conversations. Effective ownership is the clearest way to show a family how the next generation's interests compare once a holding company sits in the middle.
A caution for tax work
Look-through math tells you economic ownership. Many tax rules use their own attribution rules on top of it — for example, the constructive ownership rules for related-party transactions and controlled groups can treat you as owning what your spouse, children or parents own. A person with 0% look-through ownership can still be treated as a 50% owner for those purposes. Use the look-through number as the starting point, then apply the attribution rules for the specific provision.
Keeping it current
The hard part isn't the arithmetic. It's that the chart is out of date the day after someone transfers 5% to a trust, and the spreadsheet with the multiplication lives on one staff member's desktop.
EntityMap stores each ownership link once and calculates look-through ownership automatically, for every person and trust, through every layer. The chart redraws itself when ownership changes, and the beneficial-owner report lists everyone above a threshold you choose (10%, 20%, 25% or 50%) with each path spelled out — the format a bank's onboarding team usually asks for.
This article is general information, current as of its date. It isn't legal or tax advice for any particular situation; check the rules that apply to your client before acting on it.